Home / 1,114,679.22-1,538,352.18-631,330.35

Finding the Fourth Proportional to 1,114,679.22, 1,538,352.18 and 631,330.35

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Solution

The fourth proportional to 1,114,679.22, 1,538,352.18 and 631,330.35 is: 871,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,679.22 : 1,538,352.18 = 631,330.35 : x
  2. Step 2: Convert to fraction form
    1,114,679.22/1,538,352.18 = 631,330.35/x
  3. Step 3: Cross multiply
    1,114,679.22x = 1,538,352.18 × 631,330.35
  4. Step 4: Simplify right side
    1,114,679.22x = 971,208,420,222.66
  5. Step 5: Solve for x
    x = 971,208,420,222.66/1,114,679.22
  6. Step 6: Final answer
    x = 871,289.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.